<template>
  <div class="login-container">
    <!-- el-from表单 rules表单验证规则 label-position表单标签位置 -->
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">江西高亿科技仓库管理系统</h3>
      </div>

      <el-form-item prop="name">
        <span class="svg-container">
          <svg-icon color='rgba(63, 181, 228, 1)' icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.account"
          placeholder="账号"
          name="name"
          type="text"
          tabindex="1"
          autocomplete="on"
        />
      </el-form-item>
      <!-- el-tooltip鼠标 hover 时的提示信息  content提示信息 placement提示信息出现的位置 manual开启手动模式，开启后鼠标移入移出事件将不会生效-->
      <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon color='rgba(63, 181, 228, 1)' icon-class="password" />
          </span>
          <!-- @blur在 Input 失去焦点时触发 因为element组件不是原生组件，所以添加事件需要加.native-->
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="密码"
            name="password"
            tabindex="2"
            autocomplete="on"
            @keyup.native="checkCapslock"
            @blur="capsTooltip = false"
            @keyup.enter.native="handleLogin"
          />

          <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>
      </el-tooltip>

      <!-- .prevent取消button的默认行为 -->
      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;height:47px;line-height:47px;padding:0;background:rgb(11, 116, 181) 100%;" @click.native.prevent="handleLogin">登录</el-button>

    </el-form>
  </div>
</template>

<script>

import SocialSign from './components/SocialSignin'
import { login } from '@/api_bast/user'

export default {
  name: 'Login',
  components: { SocialSign },
  data() {
    const validateUsername = (rule, value, callback) => {
      if (value.length == 0) {
        callback(new Error('请输入账号'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length == 0) {
        callback(new Error('请输入密码'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        account: '',//账号
        password: ''//密码
      },
      // 验证规则事件
      loginRules: {
        // required:true 代表输入框必须填 trigger: 'blur'输入框失去焦点时触发 validator验证回调
        account: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      passwordType: 'password',//密码格式
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {}
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate:true
    }
  },
  mounted() {
    this.$store.state.user.num=0;
	  history.pushState(null, null, document.URL);//禁止浏览器后退
	    window.addEventListener('popstate', function(){
	    history.pushState(null, null, document.URL);
	  });
  },
  methods: {
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    // 判断密码是否是密码格式，就是*号，如果是就改成字符
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = '';
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    // 登录成功判断
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          login(this.loginForm).then(response => {
            // console.log(response);
            this.loading = false;
            if(response.code==200){
              this.$message({message:'登陆成功',type: 'success'});
              localStorage.resData = this.json_object(response.resData);
              this.$router.push({path:'/home'});
              console.log(response.resData,'............用户信息');
            }else{
              this.$notify.error({
                title: '登陆失败',
                message: response.message
              });return false;
            }
          })
        } else {
          console.log('error submit!!');
          return false
        }
      })
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    }

  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #0B74B5;
    border-radius: 5px;
    color: rgba(63, 181, 228, 1);
	margin-bottom:40px;
	border: 1px solid rgba(110, 239, 252, 1);
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;
.login-container{
	background: url(../../assets/img/20200327092951.png);
	background-size:100% 100%;background-repeat:no-repeat;
}
.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width:622px;
	height:574px;
    max-width: 100%;
    padding: 120px 120px 122px 130px;
    margin: 0 auto;
    overflow: hidden;
	margin-top: 240px;
	background:url(../../assets/img/20200327092933.png);
	background-size:100% 100%;background-repeat:no-repeat;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 30px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
